say it: ri-TAYND
retained is an adjective meaning "continued in your keeping or use or memory". It carries one recorded sense.
continued in your keeping or use or memory
“in...the retained pattern of dancers and guests remembered”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for retained come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.